cons.c revision 1.1.2.2
1 /* $NetBSD: cons.c,v 1.1.2.2 2011/03/05 15:09:54 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah Hdr: cons.c 1.7 92/02/28 36 * 37 * @(#)cons.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah Hdr: cons.c 1.7 92/02/28 75 * 76 * @(#)cons.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #include <lib/libsa/stand.h> 80 81 #include <machine/cpu.h> 82 83 #include "boot.h" 84 #include "cons.h" 85 86 #ifdef CONS_SCIF 87 static void scifcnprobe(struct consdev *); 88 static void scifcninit(struct consdev *); 89 static void scifcnputchar(void *, int); 90 static int scifcngetchar(void *); 91 static int scifcnscan(void *); 92 # include "scif.h" 93 # ifndef SCIFSPEED 94 # define SCIFSPEED 19200 95 # endif 96 #endif 97 98 #ifdef CONS_COM 99 static void comcnprobe(struct consdev *); 100 static void comcninit(struct consdev *); 101 static void comcnputchar(void *, int); 102 static int comcngetchar(void *); 103 static int comcnscan(void *); 104 # include "ns16550.h" 105 # ifndef COMPORT 106 # define COMPORT 0xa4000000 107 # endif 108 # ifndef COMSPEED 109 # define COMSPEED 19200 110 # endif 111 #endif 112 113 static struct consdev constab[] = { 114 #ifdef CONS_SCIF 115 { "scif", 0, SCIFSPEED, 116 scifcnprobe, scifcninit, scifcngetchar, scifcnputchar, scifcnscan }, 117 #endif 118 #ifdef CONS_COM 119 { "com", 0, COMSPEED, 120 comcnprobe, comcninit, comcngetchar, comcnputchar, comcnscan }, 121 #endif 122 { 0 } 123 }; 124 125 static struct consdev *cn_tab; 126 127 char * 128 cninit() 129 { 130 register struct consdev *cp; 131 132 cn_tab = NULL; 133 for (cp = constab; cp->cn_probe; cp++) { 134 (*cp->cn_probe)(cp); 135 if (cp->cn_pri > CN_DEAD && 136 (cn_tab == NULL || cp->cn_pri > cn_tab->cn_pri)) 137 cn_tab = cp; 138 } 139 if (cn_tab) { 140 (*cn_tab->cn_init)(cn_tab); 141 return cn_tab->cn_name; 142 } 143 144 return NULL; 145 } 146 147 int 148 cngetc(void) 149 { 150 151 if (cn_tab) 152 return (*cn_tab->cn_getc)(cn_tab->cn_dev); 153 return 0; 154 } 155 156 void 157 cnputc(int c) 158 { 159 160 if (cn_tab) 161 (*cn_tab->cn_putc)(cn_tab->cn_dev, c); 162 } 163 164 int 165 cnscan(void) 166 { 167 168 if (cn_tab) 169 return (*cn_tab->cn_scan)(cn_tab->cn_dev); 170 return -1; 171 } 172 173 #ifdef CONS_SCIF 174 /* 175 * sh3 scif console 176 */ 177 static void 178 scifcnprobe(struct consdev *cp) 179 { 180 181 cp->cn_pri = CN_REMOTE; 182 } 183 184 static void 185 scifcninit(struct consdev *cp) 186 { 187 188 cp->cn_dev = scif_init(cp->speed); 189 } 190 191 static int 192 scifcngetchar(void *dev) 193 { 194 195 return scif_getc(); 196 } 197 198 static void 199 scifcnputchar(void *dev, int c) 200 { 201 202 if (c == '\n') 203 scif_putc('\r'); 204 scif_putc(c); 205 } 206 207 static int 208 scifcnscan(void *dev) 209 { 210 211 return scif_scankbd(); 212 } 213 #endif /* CONS_SCIF */ 214 215 #ifdef CONS_COM 216 /* 217 * com console 218 */ 219 static void 220 comcnprobe(struct consdev *cp) 221 { 222 223 cp->cn_pri = CN_REMOTE; 224 } 225 226 static void 227 comcninit(struct consdev *cp) 228 { 229 230 cp->cn_dev = com_init(cp->address, cp->speed); 231 } 232 233 static int 234 comcngetchar(void *dev) 235 { 236 237 return com_getc(dev); 238 } 239 240 static void 241 comcnputchar(void *dev, int c) 242 { 243 244 if (c == '\n') 245 com_putc(dev, '\r'); 246 com_putc(dev, c); 247 } 248 249 static int 250 comcnscan(void *dev) 251 { 252 253 return com_scankbd(dev); 254 } 255 #endif /* CONS_COM */ 256
Indexes created Mon Oct 27 08:10:08 GMT 2025